This converts the following to Kconfig:
CONFIG_ETHPRIME
This is also done by adding a gating Kconfig option, CONFIG_USE_ETHPRIME
similar to other options that are not always set and control environment
variables.
Signed-off-by: Tom Rini <trini@konsulko.com>
As the CI test for stopping platforms from being merged that were
defining symbols that had Kconfig entries, a small number of symbols
needed to be migrated again. Do so, and catch two cases the README
should also have been updated but was not.
Signed-off-by: Tom Rini <trini@konsulko.com>
